Tridymite
Hirose T, Kihara K, Okuno M, Fujinami S, Shinoda K
Journal of Mineralogical and Petrological Sciences 100 (2005) 55-69
X-ray, DTA and Raman studies of monoclinic tridymite and its higher
temperature orthorhombic modification with varying temperature.
Locality: synthetic
Note: T = 413 K
_database_code_amcsd 0013134
26.163 4.987 8.199 90 90 90 P2_12_12_1
atom      x     y     z
Si1   .1390 .6112 .6786
Si2   .1393 .4957 .3012
Si3   .0278 .6180 .8118
Si4   .0282 .5019 .1843
Si5   .1946 .1131 .8013
Si6   .1945 .9954 .1740
O1    .1935  .058  .986
O2    .1403  .565  .490
O3    .0299  .568  .001
O4    .0825  .563  .743
O5    .0823  .428  .241
O6    .2484  .914  .234
O7    .1762  .412  .765
O8    .1754  .253  .275
O9    .1564  .910  .715
O10   .1572  .754  .199
O11  -.0107  .418  .727
O12  -.0089  .251  .215